mc34063acs Analog Intergrations Corporation, mc34063acs Datasheet

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mc34063acs

Manufacturer Part Number
mc34063acs
Description
Dc/dc Converter Control Circuit
Manufacturer
Analog Intergrations Corporation
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC34063ACS
Manufacturer:
AIC
Quantity:
1 201
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ANALOG INTEGRATIONS CORPORATION
4F, 9 Industry E. 9th Road, Science-based Industrial Park , Hsinchu, Taiwan, R.O.C.
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FEATURES
APPLICATIONS
TYPICAL APPLICATION CIRCUIT
ORDERING INFORMATION
V
C1
MC34063A XX
3V to 30V Input Voltage Operation.
Internal 1.6A Peak Current Switch.
Internal 1.8% Reference.
Low Quiescent Current at 1.6mA.
Frequency Operation from 100Hz to 100KHz.
Current Limiting.
Saver for Cellular phones
DC-DC Converter Module
IN
+
*RS
Saver Circuit for Cellular Phone
100 F
8
6
5
7
IPK
DRI
VCC
FB
MC34063A
PACKAGE TYPE
N: PLASTIC DIP
S: SMALL OUTLINE
TEMPERATURE
C: 0 C~+70 C
GND
TC
SC
SE
4
2
3
1
CT
8.6V SAVER
*:Io=0.3/RS
D1
1N5819
200 H
L
RA
5.6K
C
33K
RB
+
O
V
OUT
ORDER NUMBER
MC34063ACS
(PLASTIC SO)
MC34063ACN
(PLASTIC DIP)
!
www.analog.com.tw
TEL: (8863)577-2500 FAX:(8863)577-2510
DESCRIPTION
The
Corporation, an improved second source over the
industrial standard MC34063A, is a monolithic
control circuit containing the primary functions
required for DC/DC converters. The device
consists of an internal temperature compensated
reference,
oscillator with an active current limit circuit, driver
and high current output switch. This device is
specifically designed to be incorporated in step-
down, step-up and voltage-inverting applications
with a minimum number of external components.
The
current of 1.6mA are among the improvements of
the device over the competition.
DC/DC CONVERTER CONTROL CIRCUIT
1.8% internal reference and low quiescent
MC34063A
comparator,
TOP VIEW
PIN CONFIGURATION
GND
TC
SE
SC 1
by
2
3
4
controlled
Analog
SPEC NO: DS34063A-00
MC34063A
duty
Integrations
8
7
6
5
DRI
IPK
FB
VCC
cycle
1

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mc34063acs Summary of contents

Page 1

... SAVER 3 *:Io=0.3/ 33K CT RA 5.6K ORDER NUMBER MC34063ACN (PLASTIC DIP) MC34063ACS (PLASTIC SO) www.analog.com.tw TEL: (8863)577-2500 FAX:(8863)577-2510 MC34063A DC/DC CONVERTER CONTROL CIRCUIT SPEC NO: DS34063A-00 DESCRIPTION The MC34063A by Analog Corporation, an improved second source over the industrial standard MC34063A monolithic control circuit containing the primary functions required for DC/DC converters ...

Page 2

ABSOLUTE MAXIMUM RATINGS Supply Voltage ......................................................…………..................................... 30V Comparator Input Voltage Range .......................................……………......................................30V Switch Collector Voltage Switch Emitter Voltage ..................................…………….............................................30V Switch Collector to Emitter Voltage .................................……………............................................30V Driver Collector Voltage Switch Current ............................................……………..............................................1.6A Power Dissipation and Thermal Characteristics DIP Package Ta= ...

Page 3

ELECTRICAL CHARACTERISTICS PARAMETER Oscillator Charging Current Discharge Current Voltage Swing Discharge to Charge Current Ratio Current Limit Sense Voltage Output Switch Saturation Voltage, Darlington Connection Saturation Voltage DC Current Gain Collector Off-State Current Comparator Threshold Voltage Threshold Voltage Threshold ...

Page 4

TYPICAL PERFORMANCE CHARACTERISTICS Output Switch ON-OFF Time vs. Oscillator Timing Capacitor VCC=5V V =VCC IPK  PIN 5=GND ON TIME 1 0 Oscillator Timing Capacitor (nF Threshold Voltage vs Temperature FB 1.3 VCC = ...

Page 5

BLOCK DIAGRAM ! PIN DESCRIPTIONS PIN 1.6A switch collector PIN Darlington switch emitter PIN Oscillator timing capacitor PIN 4: GND - Power GND ! APPLICATION INFORMATION DESIGN FORMULA TABLE CALCULATION ...

Page 6

V = Saturation voltage of the output switch. SAT V = Forward voltage drop of the ringback rectifier F The following power supply characteristics must be chosen Nominal input voltage Desired output voltage, OUT V ...

Page 7

APPLICATION EXAMPLES RS 0. 100 Line Regulation Load Regulation ANALOG INTEGRATIONS CORPORATION 4F, 9 Industry E. 9th Road, Science-based Industrial Park , Hsinchu, Taiwan, R.O.C. (CONTINUED) 200 ...

Page 8

APPLICATION EXAMPLES D1 1N5819 V OUT -12V/100mA Line Regulation Load Regulation Fig 6. Voltage Inverting Converter With PNP Saturated Switch ANALOG INTEGRATIONS CORPORATION 4F, 9 Industry E. 9th Road, Science-based Industrial Park , Hsinchu, Taiwan, R.O.C. ...

Page 9

PHYSICAL DIMENSIONS " 8 LEAD PLASTIC SO (unit: mm " 8 LEAD PLASTIC DIP (unit: mm ANALOG INTEGRATIONS CORPORATION 4F, 9 Industry E. 9th Road, Science-based Industrial Park ...

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